Molding-machine.



PATENTED JUNE 27, 1905.

T. W. FAUS. MOLDING MACHINE.

APPLICATION FILED FBB.16, 1905.

2 SHEETS-SHEET 1 No. 793,363. PATENTED JUNE 27, 1905. T. W. PAUS.

MOLDING MACHINE.

APPLICATION FILED FEB.16,1905.

2 SHEETSSHEET 3.

Patented June 27, 1905.

PATENT OEEIcE.

THOMAS V. FAUS, OF CHEROKEE, IOlVA.

MOLDING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 793,863, dated June 27, 1905.

Application filed February 16, 1905. Serial No. 245,944.

To It, whmit it WLH/Z/ concern/.-

Be it known that I, THOMAS Fans, a citizen of the United States, residing at Cherokee, in the county of Cherokee and State of Iowa, have invented certain new and useful Improvements in h/lolding-Machines, of which the following is a specification.

This invention relates to that type of molding-machines which are particularly designed for making cement blocks, bricks, or tiles and which embody usually a suitable supporting stand or base, adjustable mold parts for varying the size of the article produced, and movable cores with suitable means for manipulating the latter. The majority of machines of this class appear to embody complex mechanisms which are all of the time getting out of order, conducive to delay and inconvenience and much disadvantage.

The object of this invention, therefore, is to provide a molding-machine of greatly-simplified structure and operation and which may be manufactured at a reasonable cost.

For a full description of the invention and the merits thereof and also to acquire a knowledge of the details of construction of the means for effecting the result reference is to be had to the following description and accompanying drawings.

\Vhile the invention may be adapted to different forms and conditions by changes in the structure and minor details without departing from the spirit or essential features thereof, still the preferred embodiment thereof is shown in the accompanying drawings, in which- Figure 1 is a perspective view of a machine embodying the invention. Fig. 2 is a longitudinal section. ,Fig. 3 is a transverse seetional view bringing out more clearly the latch mechanism for supporting the core-carrying frame. Fig. 4 is a detail perspective view of one of the sides of the mold. Fig. 5 is a detail view of one of the ends of the mold. Fig. 6 is a plan View, reduced, illustrating a modified construction of the mold pieces or sides for making double-row airspaces in blocks.

Corresponding and like parts are referred to in the following description and indicated in all the views of the drawings by the same reference characters.

In the drawings the numeral ldesignatcs a stand or bench the upper portion of which comprises a base 2, which carries the mold and general operating mechanism of the machine. The mold proper comprises the sides 3 and the ends at, which are peculiarly mounted and secured together when the mold is set up preparatory to operation of the device. The sides 3 are adjustable toward and from each other in order to vary the size of the brick or block produced in the molding operation, and for this purpose spaced bars 5 are suitably attached, preferably at the ends thereof, to the base 2 of the machine, and these bars are provided near the ends with a plurality of notches 6, adapted to receive the lower edge portions of the sides 3 and positively position said sides with reference to the ends 4. The sides 3 when received in the notches 6 of the bars 5 are prevented from any lateral movement, and to prevent any longitudinal play and movement of the sides the said sides are provided with recesses 7, at the lower edges thereof, to receive the bars 5 and obviate such movement as above mentioned. The bars 5 are solid for some distance between the notched end portions thereof, and the lower portions of the ends 4: abut against the inner or facing sides of said bars 5, as shown most clearly in Fig. 2 of the drawings. The sides 3 of the mold are provided with lateral flanges 8 at the upper portions thereof, said flanges being suitably braced, as shown at 9.

The sides are connected at the ends by means of connecting-plates 10, and said plates 10 eooperate by engagement with the upper portions of the ends a to rigidly hold the ends in proper position as the material is received in the mold and tamped solidly. The plates 10 are provided at the ends with a plurality of notches arranged upon opposite longitudinal edges thereof. The sides 3 are notched at the upper edges thereof near the ends, as indicated at 13, and the end plates 10 engage with the sides 3 at the notched portions 13 thereof. By forming the notches U in the end plates 10 reduced or neck portions H are provided,

which are received in the notches 13 of the sides, thereby affording an adjustable interlocking connection between the parts 10 and 3, which rigidly supports these parts in proper relative positions in the molding operation. Since the notches 11 are at intervals, it will be apparent that the members 10 can be used when the sides 3 are spaced a greater or less distance apart in molding blocks of different widths or sizes in similar manner as the bars 5 permit such adjustment of the sides 3.

If desired, the ends 4 may be provided upon the inner sides thereof, as shown in the drawings, with core-pieces 15, by which end cavities are formed in the molded block. The central cores 16, by which the center cavities of the block are formed, are carried by a core carrying frame 17, arranged beneath the base 2 of the machine and movable upwardly and downwardly to raise and lower the cores 16 aforesaid. Theframe17isofanysuitableform, and the core-pieces 16 are pivoted or hinged at their lower ends, as shown at 18, to said frame 17, the upper end portions of the cores being adapted to be forced through asuitable opening in the base 2 in disposing said corepieces in proper position within the mold. Spaced handles 19 project from the frame 17 outwardly from the stand 1 and may be readily grasped in order to raise or lower the core-pieces 16. It will be obvious that the core-pieces 15 may readily be carried by the core-carrying frame 17 also, if this construction is desirable. A suitable bottom plate 20 is carried upon the base 2, being removable in the usual manner in taking the molded article from the mold. The bottom plate 20 is provided with core-openings which are arranged in any requisite manner dependent upon the number of core-pieces and the arrangement of said core-pieces carried by the frame 17. The core-pieces are adapted, of course, to pass through the bottom plate 20 when being disposed in the body of the mold preparatory to the molding operation.

At opposite sides of the frame 17 and extending downwardly from the frame of the support 1 are catches 22, adapted to engage latch members 23, pivoted to the frame 17, in order to hold said frame in an uppermost position with the core-pieces positively positioned in the mold aforesaid. The latch members 23 are pivoted to the sides of the frame 17, and one end of said members is adapted to engage a catch 22, so as to properly support the frame 17. Springs 24 are interposed between the latch members 23 and the bandles 19 of the frame 17 and normally hold the said members 23 in such a position that they will automatically engage the catches 22, and the latch members may be readily forced toward said handles 19 against the tension of the springs 24 in disengaging said members from the catches 22, with which they cooperate.

Fig. 6 illustrates a construction of the moldsec'tions (sides or ends) particularly designed for making blocks having more than one row of air-spaces. The block formed by the structure has a row of approximately oblong air spaces or cavities 26 and an adjacent row of diamond -shaped air-cavities 27. The arrangement of the cavities 26 and 27 affords a double air-chamber block of maximum strength and rigidity.

The operation ofthe machine is simple, and in preparing for the molding operation the sides 3 and the ends 41 are set up and connected by means of the end plates 10. The corecarrying frame 17 is then raised, the bottom plate 20 having been placed in position, and the core-pieces 16 are disposed in the mold. The material is then tamped in the mold and struck off in the customary manner. To remove the block from the mold, the sides and ends are disassembled and the core-pieces 16 lowered in a manner which is clear to those versed in this art.

Having thus described the invention, what is claimed as new is 1. In a molding-machine, the combination of a base, spaced bars attached to the base and provided near the ends thereof with a plurality of notches, a mold comprising sides having the lower edge portions thereof received in the notches of the spaced bars aforesaid,

said lower edge portions of the sides being recessed to engage with the spaced bars and prevent longitudinal play, ends having the lower portions thereof engaged by the notched bars at points between the ends of the latter, and end plates connecting the sides aforesaid and cooperating with the ends of the mold to prevent displacement of the latter.

2. In a molding-machine, the combination of a base, spaced bars attached to the base and provided near the ends thereof with a plurality of notches, a mold comprising sides having the lower edge portions thereof received in notches of the spaced bars aforesaid, said lower edge portions of the sides being recessed to engage with the spaced bars and prevent longitudinal play, ends having the lower portions thereof engaged by the notched bars at points between the ends of the latter, and end plates connecting the sides of the mold, said end plates having notches extending from opposite edge portions thereof, the upper edge portions of the mold sides being provided with notches to receive the notched end portions of the end plates and afford interlocking connection thereof.

3. 1n a molding-machine, the combination of a base, spaced bars attached to the base and provided near the ends thereof with a plurality of notches, a mold comprising sides having the lower edge portions thereof received in notches of the spaced bars aforesaid, said lower edge portions of the sides being recessed to engage with the spaced bars and prevent longitudinal play, ends having the lower portions thereof engagei'l by the notched bars at points between the ends of the latter, end plates connecting the sides aforesaid and co operating with the ends of the mold to pre vent displacement of the latter, a bottom board for the mold, a core-carrying frame mounted below the base aforesaid, cores carried by said frame and movable through the base into the mold, handles projecting from the core-carrying frame for operation thereof, a catch extending downwardly from the base,

a catch-plate secured to the core-carrying frame for engaging the catch, a detachable bar secured to the core-carrying frame and adapted to disengage the catch from the catchplate aforesaid. and a spring cooperating with said detaching-bar.

In testimony whereof l allix mysignature in presence of two witnesses.

THOMAS \V. FAUS. \Vitnesses:

H. N. RosanUsii, 1G. GARY.

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